. 2015 Jul;97(5):339–344. doi: 10.1308/003588415X14181254789844

Table 3.

All causes of small bowel obstruction: combined case reports and series by trimester (1992–2014)

Trimester	Cases	Conservative	Conservative mortality		Surgery	Surgery mortality
			Maternal	Fetal		Maternal	Fetal
^aincludes 2 patients who failed conservative treatment;
^bincludes 9 patients who failed conservative treatment;
^cincludes 11 patients who failed conservative treatment; insufficient details to include 5 cases from Jones and Hillen (2002)¹⁹
1 (1–12 wks)	3	0%	–	–	100% (n=3)^a	0%	33% (n=1)
2 (13–28 wks)	18	6% (n=1)	0%	0%	94% (n=17)^b	6% (n=1)	29% (n=5)
3 (29–40 wks)	20	10% (n=2)	0%	0%	90% (n=18)^c	0%	11% (n=2)